Examine source code of Culture Quiz

{
  "manifest_version": 2,
  "name": "Culture Quiz",
  "version": "1.0",
  "description": "A fun and educational browser game that tests your knowledge of Vietnamese cultural terms by matching them to their English meanings. Ideal for language learners and those interested in Vietnamese culture.",
  "icons": {
    "48": "culture_icon.png"
  },
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Culture Quiz"
  },
  "permissions": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{407ffd75-96c8-4c17-9d49-a5de5438d281}"
    }
  }
}